Home / 3,390.37-5,087.11-2,006.42

Finding the Fourth Proportional to 3,390.37, 5,087.11 and 2,006.42

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Solution

The fourth proportional to 3,390.37, 5,087.11 and 2,006.42 is: 3,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.37 : 5,087.11 = 2,006.42 : x
  2. Step 2: Convert to fraction form
    3,390.37/5,087.11 = 2,006.42/x
  3. Step 3: Cross multiply
    3,390.37x = 5,087.11 × 2,006.42
  4. Step 4: Simplify right side
    3,390.37x = 10,206,869.21
  5. Step 5: Solve for x
    x = 10,206,869.21/3,390.37
  6. Step 6: Final answer
    x = 3,010.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.